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What happens if the air pressure in a system's air tanks falls below 60 psi?
A.  A warning light will come on.
B.  The vehicle will not shift out of gear.
C.  The front lights will flash.
D.  The vehicle should stop.
In an air brake system, a low pressure warning signal should activate if the pressure in the air tanks falls to a level below 60 psi. This signal may be in the form of a warning light or a wig wag.
Answer Statistics
6.14 % of our users get this question wrong.
This question's difficulty is Medium

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